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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Bamberger, Judith Ann Margaret, S. Greenwood |
| Copyright Year | 2002 |
| Abstract | Ultrasonic signals can be used to interrogate many forms of two-phase systems, dense slurry-laden and three-phase suspensions. This paper describes using ultrasonic signal reflection at a fluid-sensor interface to characterize fluid and slurry density and viscosity. The sensor consists of a series of transducers mounted on a wedge with the base of the wedge in contact with the liquid. Ultrasonic beams, striking the wedge base at several angles, are reflected at the base-liquid interface to the receive transducers. The amount of reflection at this interface depends upon the density of the liquid, the speed of sound in the liquid, and the wedge parameters. The response of a shear wave transducer, in conjunction with a density measurement, is used to determine the viscosity. The sensor can be mounted in a pipeline configuration or submerged in a tank for process control of food products. Novel features include: the small size of the probe and the sensor robustness. Performance is not affected by fluid flow rate, entrained air, or vibration. Experimental measurements of the density and viscosity for fluids and slurries are presented. |
| Sponsorship | Fluids Engineering Division |
| Starting Page | 331 |
| Ending Page | 335 |
| Page Count | 5 |
| File Format | |
| ISBN | 0791836576 |
| DOI | 10.1115/IMECE2002-32238 |
| Volume Number | Fluids Engineering |
| Conference Proceedings | ASME 2002 International Mechanical Engineering Congress and Exposition |
| Language | English |
| Publisher Date | 2002-11-17 |
| Publisher Place | New Orleans, Louisiana, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Viscosity Transducers Vibration Fluid dynamics Pipelines Process control Reflection Food products Wedges Density Air entrainment Fluids Shear waves Speed of sound Robustness Signals Sensors Probes Slurries |
| Content Type | Text |
| Resource Type | Article |
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